Sweet Alert 2 A beautiful and customizable replacement for Javascript's "Alert" Supported fork of t4t5/sweetalert Download CDN So... What does it do? Here’s a comparison of a standard error message. The first one uses the built-in alert -function, while the second is using SweetAlert2 . Normal alert Show error message Code: alert ( 'Oops... Something went wrong!' ) Sweet Alert 2 Show error message